Ebyuma ebikebera ebyuma ebikozesebwa mu kukebera ebikozesebwa mu kukebera ebintu ebingi n’okusengejja (screen surface).
Okugatta ku ekyo, ekyuma ekikebera era kisobola okukozesebwa okuggyawo obucaafu okukakasa Omutindo gw'ekintu ..
1. Obulung’amu bw’okukebera buli waggulu, era ekitundu kya Screen Gap kisukka emirundi 10 ku kika kya roller screen kye kimu.
2. Amaanyi ga motor gakendeera nnyo. Bw’ogeraageranya n’ebisenge ebifaanagana, amaanyi agakozesebwa gakendeera ebitundu ebisukka mu 30%.
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4.Ekikolwa ky’okukebera ekyuma ekisengejja kirungi nnyo, era kisobola okwawula obulungi obutundutundu obw’obunene n’enkula ez’enjawulo.